diff --git a/plugins/package-managers/swiftpm/src/main/kotlin/SwiftPm.kt b/plugins/package-managers/swiftpm/src/main/kotlin/SwiftPm.kt
index ff38f08467c4b..f5a6517d9db0c 100644
--- a/plugins/package-managers/swiftpm/src/main/kotlin/SwiftPm.kt
+++ b/plugins/package-managers/swiftpm/src/main/kotlin/SwiftPm.kt
@@ -30,6 +30,7 @@ import org.ossreviewtoolkit.model.DependencyGraph
 import org.ossreviewtoolkit.model.Identifier
 import org.ossreviewtoolkit.model.Issue
 import org.ossreviewtoolkit.model.Package
+import org.ossreviewtoolkit.model.PackageLinkage
 import org.ossreviewtoolkit.model.Project
 import org.ossreviewtoolkit.model.ProjectAnalyzerResult
 import org.ossreviewtoolkit.model.RemoteArtifact
@@ -38,6 +39,7 @@ import org.ossreviewtoolkit.model.config.AnalyzerConfiguration
 import org.ossreviewtoolkit.model.config.RepositoryConfiguration
 import org.ossreviewtoolkit.model.orEmpty
 import org.ossreviewtoolkit.model.utils.DependencyGraphBuilder
+import org.ossreviewtoolkit.model.utils.DependencyHandler
 import org.ossreviewtoolkit.utils.common.CommandLineTool
 import org.ossreviewtoolkit.utils.common.Os
 import org.ossreviewtoolkit.utils.common.toUri
@@ -170,7 +172,7 @@ class SwiftPm(
     }
 }
 
-internal val SwiftPackage.Dependency.id: Identifier
+private val SwiftPackage.Dependency.id: Identifier
     get() = Identifier(
         type = PACKAGE_TYPE,
         namespace = "",
@@ -178,7 +180,7 @@ internal val SwiftPackage.Dependency.id: Identifier
         version = version
     )
 
-internal fun SwiftPackage.Dependency.toPackage(): Package {
+private fun SwiftPackage.Dependency.toPackage(): Package {
     val vcsInfoFromUrl = VcsHost.parseUrl(repositoryUrl)
     val vcsInfo = vcsInfoFromUrl.takeUnless { it.revision.isBlank() } ?: vcsInfoFromUrl.copy(revision = version)
 
@@ -238,3 +240,15 @@ internal fun getCanonicalName(repositoryUrl: String): String {
         it.host + it.path.removeSuffix(".git")
     }.getOrDefault(normalizedUrl).lowercase()
 }
+
+private class SwiftPmDependencyHandler : DependencyHandler<SwiftPackage.Dependency> {
+    override fun identifierFor(dependency: SwiftPackage.Dependency): Identifier = dependency.id
+
+    override fun dependenciesFor(dependency: SwiftPackage.Dependency): Collection<SwiftPackage.Dependency> =
+        dependency.dependencies
+
+    override fun linkageFor(dependency: SwiftPackage.Dependency): PackageLinkage = PackageLinkage.DYNAMIC
+
+    override fun createPackage(dependency: SwiftPackage.Dependency, issues: MutableList<Issue>): Package =
+        dependency.toPackage()
+}
diff --git a/plugins/package-managers/swiftpm/src/main/kotlin/SwiftPmDependencyHandler.kt b/plugins/package-managers/swiftpm/src/main/kotlin/SwiftPmDependencyHandler.kt
deleted file mode 100644
index 4468e1b18b153..0000000000000
--- a/plugins/package-managers/swiftpm/src/main/kotlin/SwiftPmDependencyHandler.kt
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2022 The ORT Project Authors (see <https://github.com/oss-review-toolkit/ort/blob/main/NOTICE>)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * SPDX-License-Identifier: Apache-2.0
- * License-Filename: LICENSE
- */
-
-package org.ossreviewtoolkit.plugins.packagemanagers.swiftpm
-
-import org.ossreviewtoolkit.model.Identifier
-import org.ossreviewtoolkit.model.Issue
-import org.ossreviewtoolkit.model.Package
-import org.ossreviewtoolkit.model.PackageLinkage
-import org.ossreviewtoolkit.model.PackageLinkage.DYNAMIC
-import org.ossreviewtoolkit.model.utils.DependencyHandler
-import org.ossreviewtoolkit.plugins.packagemanagers.swiftpm.SwiftPackage.Dependency
-
-/**
- * A specialized [DependencyHandler] implementation for SPM.
- */
-class SwiftPmDependencyHandler : DependencyHandler<Dependency> {
-    override fun identifierFor(dependency: Dependency): Identifier = dependency.id
-
-    override fun dependenciesFor(dependency: Dependency): Collection<Dependency> = dependency.dependencies
-
-    override fun linkageFor(dependency: Dependency): PackageLinkage = DYNAMIC
-
-    override fun createPackage(dependency: Dependency, issues: MutableList<Issue>): Package = dependency.toPackage()
-}